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Finding the Fourth Proportional to 898,660.80, 1,347,616.32 and 365,820.12

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Solution

The fourth proportional to 898,660.80, 1,347,616.32 and 365,820.12 is: 548,577.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,660.80 : 1,347,616.32 = 365,820.12 : x
  2. Step 2: Convert to fraction form
    898,660.80/1,347,616.32 = 365,820.12/x
  3. Step 3: Cross multiply
    898,660.80x = 1,347,616.32 × 365,820.12
  4. Step 4: Simplify right side
    898,660.80x = 492,985,163,896.36
  5. Step 5: Solve for x
    x = 492,985,163,896.36/898,660.80
  6. Step 6: Final answer
    x = 548,577.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.